Ball-preserving mappings of finite ultrametric spaces
Metric Geometry
2013-02-26 v1
Abstract
It is shown that the rooted trees and representing finite ultrametric spaces and are isomorphic if and only if there exists a ball-preserving bijection .
Cite
@article{arxiv.1302.5896,
title = {Ball-preserving mappings of finite ultrametric spaces},
author = {E. Petrov},
journal= {arXiv preprint arXiv:1302.5896},
year = {2013}
}
Comments
10 pages, in Russian